Hub/Switch Reference Guide

414 STP Commands
NN47250-100 (Version 02.51)
Access All.
Examples The following example shows the command output on a WSS with backbone fast
convergence enabled:
WSS# show spantree backbonefast
Backbonefast is enabled
See Also set spantree backbonefast on page 393
show spantree blockedports
Lists information about WSS ports that STP has blocked on one or all of its VLANs.
Syntax show spantree blockedports [vlan vlan-id]
Defaults None.
Access All.
Usage The command lists information separately for each VLAN.
Examples The following command shows information about blocked ports on a WSS for the
default VLAN (VLAN 1):
WSS# show spantree blockedports vlan default
Port Vlan Port-State Cost Prio Portfast
------------------------------------------------------------------------
22 190 Blocking 4 128 Disabled
Number of blocked ports (segments) in VLAN 1 : 1
The port information is the same as the information displayed by the show spantree command. See Table 59
on page 402.
vlan vlan-id
VLAN name or number. If you do not specify a VLAN, WSS Software
displays information for blocked ports on all VLANs.